PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17402747-3 2007 Only the latter utilizes ITP efficiently in place of ATP, and while NMNH conversion to NADH by NMNAT1 and NMNAT3 occurs at similar rates, conversion by NMNAT2 is much slower. NAD 87-91 nicotinamide nucleotide adenylyltransferase 1 Homo sapiens 95-101